package com.whfc.common.util;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.nio.charset.StandardCharsets;
import java.security.MessageDigest;

public class MD5Util {

    private static Logger logger = LoggerFactory.getLogger(MD5Util.class);

    /*** 
     * MD5加密 生成32位md5码
     * @param inStr
     * @return 返回32位md5码
     */
    public static String md5Encode(String inStr) {

        try {
            MessageDigest md5 = MessageDigest.getInstance("MD5");
            byte[] byteArray = inStr.getBytes(StandardCharsets.UTF_8);
            byte[] md5Bytes = md5.digest(byteArray);
            StringBuffer hexValue = new StringBuffer();
            for (int i = 0; i < md5Bytes.length; i++) {
                int val = ((int) md5Bytes[i]) & 0xff;
                if (val < 16) {
                    hexValue.append("0");
                }
                hexValue.append(Integer.toHexString(val));
            }
            return hexValue.toString();
        } catch (Exception e) {
            logger.error("MD5加密错误", e);
        }
        return "";
    }

    public static void main(String[] args) {
        String key = md5Encode("fcwl_key_125");
        String secret = md5Encode("fcwl_secret_125");
        System.out.println(key);
        System.out.println(secret);

    }

}
